Wheels size: 96mm
Back Wheel hub motor sleeves fit: Backfire G2 Black, G2 Galaxy, G3 plus, G3, Mini, ERA (1st Gen) , G5, and G5s Electric Skateboard.
Front Wheels: regular Longboard wheels fit any longboards, front wheels use 608 high speed bearings inside ( bearings installed).
Designs: Options with different colors such as black, gray or new style for G5 series.